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Nanocrystalline Sb-doped-BaSnO 3 perovskite electron transport layer for dye-sensitized solar cells

Materials Letters, ISSN: 0167-577X, Vol: 311, Page: 131629
2022
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Article Description

Undoped and Sb-doped BaSn (1-x) Sb x O 3 (x = 0, 0.01 and 0.03) perovskite nanoparticles are synthesized using a facile peroxide-precipitate method and annealed at 900 °C for 2 h in air. Rietveld refinement of X-ray diffraction data indicates single-phase cubic structure which also corroborates with transmission electron microscopy data. Reduction in reflectance intensity and optical bandgap is observed with Sb-doping. Dye-sensitized solar cell fabricated using nanocrystalline BaSn (1-x) Sb x O 3 at x = 0.01 as electron transport layer shows maximum power conversion efficiency of 4.06% and short-circuit current density of 9.97 mAcm −2, substantiating the electrochemical impedance data.

Bibliographic Details

Nandarapu Purushotham Reddy; Rompivalasa Santhosh; Jean Maria Fernandes; Reddivari Muniramaiah; Banavoth Murali; D. Paul Joseph

Elsevier BV

Materials Science; Physics and Astronomy; Engineering

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